blob: ebd5d236891a27805a1b22fca82225e44d82d77d [file] [log] [blame]
Steven Bennettsddf9bcd2017-06-14 14:07:43 -07001# Copyright 2017 The Chromium OS Authors. All rights reserved.
2# Use of this source code is governed by a BSD-style license that can be
3# found in the LICENSE file.
4
5"""Unit tests for the chrome_chromeos_lkgm program."""
6
7from __future__ import print_function
8
9import os
10import time
11
12from chromite.lib import builder_status_lib
13from chromite.lib import constants
14from chromite.lib import cros_build_lib_unittest
15from chromite.lib import cros_test_lib
16from chromite.lib import osutils
17from chromite.lib import partial_mock
18from chromite.lib import tree_status
19from chromite.scripts import chrome_chromeos_lkgm
20
21# pylint: disable=protected-access
22
23class BaseChromeLGTMCommitterTest(cros_test_lib.MockTempDirTestCase):
24 """Base class for tests using cros_chromeos_lkgm.ChromeLGTMCommitter."""
25
26 def setUp(self):
27 """Common set up method for all tests."""
28 self.lkgm = '5678'
29 self.committer = chrome_chromeos_lkgm.ChromeLGTMCommitter(
30 self.tempdir, self.lkgm, False)
31 self.lkgm_file = os.path.join(self.tempdir, constants.PATH_TO_CHROME_LKGM)
32 self.pass_status = builder_status_lib.BuilderStatus(
33 constants.BUILDER_STATUS_PASSED, None)
34 self.fail_status = builder_status_lib.BuilderStatus(
35 constants.BUILDER_STATUS_FAILED, None)
36 # No need to make tests sleep.
37 self.PatchObject(time, 'sleep')
38
39
40class ChromeLGTMCommitterTester(cros_build_lib_unittest.RunCommandTestCase,
41 BaseChromeLGTMCommitterTest):
42 """Test cros_chromeos_lkgm.Committer."""
43
44 def testCheckoutChromeLKGM(self):
45 "Tests that we can read/obtain the old LKGM from mocked out git."
46 # Write out an old lkgm file as if we got it from a git fetch.
47 old_lkgm = '1234.0.0'
48 osutils.SafeMakedirs(os.path.dirname(self.lkgm_file))
49 osutils.WriteFile(self.lkgm_file, old_lkgm)
50 self.committer.CheckoutChromeLKGM()
51 self.assertTrue(self.committer._old_lkgm, old_lkgm)
52
53 def testCommitNewLKGM(self):
54 """Tests that we can commit a new LKGM file."""
55 osutils.SafeMakedirs(os.path.dirname(self.lkgm_file))
56 self.committer._lkgm = '5678.0.0'
57
58 self.PatchObject(tree_status, 'IsTreeOpen', return_value=True)
59 self.committer.CommitNewLKGM()
60
61 # Check the file was actually written out correctly.
62 self.assertEqual(osutils.ReadFile(self.lkgm_file), self.committer._lkgm)
63 self.assertCommandContains(['git', 'commit'])
64
65 def testLandNewLKGM(self):
66 """Tests that we try to execute git cl land if the tree is open."""
67 self.PatchObject(tree_status, 'IsTreeOpen', return_value=True)
68
69 self.committer.LandNewLKGM()
70
71 self.assertCommandContains(['git', 'cl', 'land'])
72
73 def testLandNewLKGMWithRetry(self):
74 """Tests that we try to rebase if landing fails."""
75 self.PatchObject(tree_status, 'IsTreeOpen', return_value=True)
76
77 self.rc.AddCmdResult(partial_mock.In('land'), returncode=1)
78 self.assertRaises(chrome_chromeos_lkgm.LKGMNotCommitted,
79 self.committer.LandNewLKGM)
80
81 self.assertCommandContains(['git', 'cl', 'land'])
82 self.assertCommandContains(['git', 'fetch', 'origin', 'master'])
83 self.assertCommandContains(['git', 'rebase'])